The Internet Computer Bureau is an
Internet
The Internet (or internet) is the global system of interconnected computer networks that uses the Internet protocol suite (TCP/IP) to communicate between networks and devices. It is a ''internetworking, network of networks'' that consists ...
top-level domain
A top-level domain (TLD) is one of the domains at the highest level in the hierarchical Domain Name System of the Internet after the root domain. The top-level domain names are installed in the root zone of the name space. For all domains in ...
custodian based in the
United Kingdom
The United Kingdom of Great Britain and Northern Ireland, commonly known as the United Kingdom (UK) or Britain, is a country in Europe, off the north-western coast of the European mainland, continental mainland. It comprises England, Scotlan ...
, which since 2017 has been a subsidiary of
Afilias, a United States corporation. The custodian is responsible for maintaining the
.io,
.sh
.sh is the Internet country code top-level domain (ccTLD) for the British Overseas Territory of Saint Helena, Ascension and Tristan da Cunha, although it is primarily used in Saint Helena ( Ascension Island has its own ccTLD, .ac). Registratio ...
, and
.ac
The .ac top-level domain is the Internet country code (ccTLD) for Saint Helena, Ascension and Tristan da Cunha, used primarily for Ascension Island (Saint Helena has its own ccTLD, .sh). It is administered by NIC.AC, a subsidiary of the Inter ...
country code top level domain
A country code top-level domain (ccTLD) is an Internet top-level domain generally used or reserved for a country, sovereign state, or dependent territory identified with a country code. All ASCII ccTLD identifiers are two letters long, and al ...
s.
The company was established in 1996 as Internet Computer Bureau plc, and became a
private limited company in 2004.
Embroiled in controversy around its involvement in registration of .io domains associated with the
Diego Garcia military base following the
Expulsion of the Chagossian population, ICB was sold by
Paul Kane to Afilias for $70 million in April 2017.
References
Top-level domains
{{UK-company-stub